diff --git a/.gitmodules b/.gitmodules
index 93325b2..14b5efe 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,4 +3,4 @@
 	url = git://github.com/mlin/twt.git
 [submodule "CDE"]
 	path = CDE
-	url = git://github.com/pgbovine/CDE.git
+	url = git://github.com/mlin/CDE.git
diff --git a/CDE b/CDE
index 36f9f2f..75eb9e5 160000
--- a/CDE
+++ b/CDE
@@ -1 +1 @@
-Subproject commit 36f9f2f1057545b3b7ec7f8570b6c6dca4c5dcd2
+Subproject commit 75eb9e5066f5d57cee496f05e808de667a4ef5c1
diff --git a/Makefile b/Makefile
index b2382e6..b22a1b7 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ CamlPaml: twt
 	cd lib/CamlPaml; PATH=$(PATH):$(CURDIR)/twt $(MAKE) $(MFLAGS) reinstall
 
 twt:
-	git submodule update --init
+	git submodule update --init twt
 	cd twt && $(MAKE)
 
 cde-package: PhyloCSF CDE
@@ -23,10 +23,10 @@ cde-package: PhyloCSF CDE
 	CDE/cde ./PhyloCSF.$(ARCH) 29mammals PhyloCSF_Examples/ALDH2.exon5.fa --frames=3 --allScores
 	CDE/cde ./PhyloCSF.$(ARCH) 29mammals PhyloCSF_Examples/Aldh2.mRNA.fa --strategy=fixed --frames=3 --orf=ATGStop --minCodons=400 --allScores --removeRefGaps --aa
 	mv cde-package cde-package.$(ARCH)
-	tar -cf cde-package.$(ARCH).tar cde-package.$(ARCH)
+	tar -cf cde-package.$(ARCH).tar cde-package.$(ARCH)	
 
 CDE:
-	git submodule update --init
+	git submodule update --init CDE
 	cd CDE && $(MAKE)
 
 clean:
diff --git a/README b/README
index a6ac663..7b468c1 100644
--- a/README
+++ b/README
@@ -33,11 +33,11 @@ ocaml-findlib libocamlgsl-ocaml-dev libbatteries-ocaml-dev make
 
 [1B] Install various dependencies (other Linux, Mac OS X)
 
-- GNU Scientific Library 
 * Objective Caml 3.11+, with native code compiler
 * OCaml findlib
 * OCaml Batteries Included 1.20+
-* ocamlgsl 0.60
+- GNU Scientific Library 
+- ocamlgsl 0.60 http://oandrieu.nerim.net/ocaml/gsl/ocamlgsl-0.6.0.tar.gz
 
 * These can be set up using GODI: http://godi.camlcity.org/